1 /* $OpenBSD: misc.h,v 1.29 2006/01/31 10:19:02 djm Exp $ */ 2 3 /* 4 * Author: Tatu Ylonen <ylo@cs.hut.fi> 5 * Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland 6 * All rights reserved 7 * 8 * As far as I am concerned, the code I have written for this software 9 * can be used freely for any purpose. Any derived versions of this 10 * software must be clearly marked as such, and if the derived work is 11 * incompatible with the protocol description in the RFC file, it must be 12 * called by a name other than "ssh" or "Secure Shell". 13 */ 14 15 /* misc.c */ 16 17 char *chop(char *); 18 char *strdelim(char **); 19 int set_nonblock(int); 20 int unset_nonblock(int); 21 void set_nodelay(int); 22 int a2port(const char *); 23 int a2tun(const char *, int *); 24 char *hpdelim(char **); 25 char *cleanhostname(char *); 26 char *colon(char *); 27 long convtime(const char *); 28 char *tilde_expand_filename(const char *, uid_t); 29 char *percent_expand(const char *, ...) __attribute__((__sentinel__)); 30 char *tohex(const u_char *, u_int); 31 void sanitise_stdfd(void); 32 33 struct passwd *pwcopy(struct passwd *); 34 35 typedef struct arglist arglist; 36 struct arglist { 37 char **list; 38 u_int num; 39 u_int nalloc; 40 }; 41 void addargs(arglist *, char *, ...) 42 __attribute__((format(printf, 2, 3))); 43 void replacearg(arglist *, u_int, char *, ...) 44 __attribute__((format(printf, 3, 4))); 45 void freeargs(arglist *); 46 47 /* readpass.c */ 48 49 #define RP_ECHO 0x0001 50 #define RP_ALLOW_STDIN 0x0002 51 #define RP_ALLOW_EOF 0x0004 52 #define RP_USE_ASKPASS 0x0008 53 54 char *read_passphrase(const char *, int); 55 int ask_permission(const char *, ...) __attribute__((format(printf, 1, 2))); 56 int read_keyfile_line(FILE *, const char *, char *, size_t, u_long *); 57 58 int tun_open(int, int); 59 60 /* Common definitions for ssh tunnel device forwarding */ 61 #define SSH_TUNMODE_NO 0x00 62 #define SSH_TUNMODE_POINTOPOINT 0x01 63 #define SSH_TUNMODE_ETHERNET 0x02 64 #define SSH_TUNMODE_DEFAULT SSH_TUNMODE_POINTOPOINT 65 #define SSH_TUNMODE_YES (SSH_TUNMODE_POINTOPOINT|SSH_TUNMODE_ETHERNET) 66 67 #define SSH_TUNID_ANY 0x7fffffff 68 #define SSH_TUNID_ERR (SSH_TUNID_ANY - 1) 69 #define SSH_TUNID_MAX (SSH_TUNID_ANY - 2) 70